1513531230 has 16 divisors (see below), whose sum is σ = 3632475024. Its totient is φ = 403608320.

The previous prime is 1513531193. The next prime is 1513531237. The reversal of 1513531230 is 321353151.

It is a self number, because there is not a number n which added to its sum of digits gives 1513531230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513531237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25225491 + ... + 25225550.

It is an arithmetic number, because the mean of its divisors is an integer number (227029689).

Almost surely, 2^1513531230 is an apocalyptic number.

1513531230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1513531230 is an abundant number, since it is smaller than the sum of its proper divisors (2118943794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1513531230 is a wasteful number, since it uses less digits than its factorization.

1513531230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50451051.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1513531230 is about 38904.1287012060. The cubic root of 1513531230 is about 1148.1460310092.

Adding to 1513531230 its reverse (321353151), we get a palindrome (1834884381).

The spelling of 1513531230 in words is "one billion, five hundred thirteen million, five hundred thirty-one thousand, two hundred thirty".